/* =========================================================
   Menta.net · Hoja de estilos principal
   Colores y tipografías: editar las variables de :root
   ========================================================= */
:root{
  --bg:#06141a; --bg-2:#0a1f27; --panel:#0d2630; --panel-2:#11303b;
  --line:rgba(120,220,200,.14); --line-2:rgba(120,220,200,.28);
  --text:#e3f1ee; --muted:#93b2ad; --dim:#5f807b;
  --mint:#5ee08a; --teal:#2ec4b6; --cyan:#7fe7ff; --amber:#ffc66b;
  --radius:14px; --max:1160px;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:'Space Grotesk',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px;overflow-x:hidden}
body{background:var(--bg);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}
.eyebrow{font-family:var(--mono);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--teal)}
h1,h2,h3{line-height:1.12;letter-spacing:-.02em;font-weight:600}
h2{font-size:clamp(1.9rem,3.6vw,2.7rem);margin:14px 0 14px}
.lead{color:var(--muted);max-width:720px;font-size:1.08rem}
section{position:relative;padding:104px 0}
.sec-head{margin-bottom:52px}

/* contour background */
.topo{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0}
.topo img{position:absolute;width:1600px;height:900px;max-width:none;left:50%;top:0;transform:translateX(-50%)}
.contact-box .topo img{top:50%;transform:translate(-50%,-50%)}
.c-min{fill:none;stroke:rgba(46,196,182,.10);stroke-width:1}
.c-maj{fill:none;stroke:rgba(94,224,138,.20);stroke-width:1.3}
.ct{fill:none;stroke:rgba(127,231,255,.13);stroke-width:1.4;stroke-linejoin:round}
.cn{fill:var(--bg);stroke:rgba(127,231,255,.28);stroke-width:1.4}
.hx{fill:none;stroke:rgba(46,196,182,.22);stroke-width:1.3}
.lv{fill:none;stroke:rgba(94,224,138,.12);stroke-width:1.3;stroke-linecap:round}
.topo .glow{position:absolute;inset:0;background:radial-gradient(60% 50% at 75% 40%,rgba(46,196,182,.10),transparent 70%),radial-gradient(40% 40% at 15% 80%,rgba(94,224,138,.07),transparent 70%)}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .25s,border-color .25s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(6,20,26,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-color:var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:1.06rem}
.brand img{width:52px;height:52px}
.brand small{display:block;font-family:var(--mono);font-size:.66rem;color:var(--dim);font-weight:400;letter-spacing:.06em}
.menu{display:flex;gap:28px;align-items:center;font-size:.93rem;color:var(--muted)}
.menu a:hover{color:var(--text)}
.btn{display:inline-flex;align-items:center;gap:9px;padding:11px 20px;border-radius:999px;font-weight:500;font-size:.95rem;transition:transform .15s,background .2s,border-color .2s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--mint);color:#04210f}
.btn-primary:hover{background:#7cf0a2}
.btn-ghost{border:1px solid var(--line-2);color:var(--text)}
.btn-ghost:hover{border-color:var(--teal);background:rgba(46,196,182,.08)}
.btn svg{width:17px;height:17px}
.menu .btn{padding:8px 16px;font-size:.88rem}
.burger{display:none;background:none;border:1px solid var(--line-2);color:var(--text);border-radius:10px;width:42px;height:42px;cursor:pointer}
.burger svg{width:20px;height:20px}

/* hero */
.hero{padding:150px 0 90px;min-height:92vh;display:flex;align-items:center}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(2.4rem,5.2vw,4rem);margin:20px 0 22px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--mint),var(--teal) 60%,var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .role{font-family:var(--mono);font-size:.92rem;color:var(--muted);margin-bottom:20px}
.hero .role b{color:var(--text);font-weight:500}
.quote{border-left:2px solid var(--mint);padding:4px 0 4px 18px;color:var(--text);font-size:1.12rem;max-width:560px;margin-bottom:34px}
.quote span{display:block;color:var(--muted);font-size:.96rem;margin-top:6px}
.cta{display:flex;gap:14px;flex-wrap:wrap}
.coords{margin-top:42px;font-family:var(--mono);font-size:.76rem;color:var(--dim);display:flex;gap:22px;flex-wrap:wrap}
.coords span::before{content:"● ";color:var(--mint)}

.mosaic{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.panel{position:relative;aspect-ratio:1/1;border:1px solid var(--line-2);border-radius:18px;background:radial-gradient(circle at 50% 45%,rgba(46,196,182,.10),transparent 70%),var(--bg-2);overflow:hidden}
.panel svg{position:absolute;inset:0;width:100%;height:100%}
.panel .lbl{position:absolute;left:12px;top:10px;font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;color:var(--muted);z-index:2}
.panel .lbl b{color:var(--mint);font-weight:500}
.panel .lbl.b{top:auto;bottom:10px}
.hub{position:absolute;left:50%;top:50%;width:30%;aspect-ratio:1/1;transform:translate(-50%,-50%);border-radius:50%;background:var(--bg);box-shadow:0 0 0 10px var(--bg),0 0 60px rgba(46,196,182,.35);z-index:3}
.hub img{width:100%;height:100%;border-radius:50%}
.flight{fill:none;stroke:var(--cyan);stroke-width:1.2;stroke-dasharray:4 5;opacity:.75;animation:dash 18s linear infinite}
@keyframes dash{to{stroke-dashoffset:-400}}
.gcp{fill:none;stroke:var(--amber);stroke-width:1.3}
.drone{animation:fly 14s linear infinite;offset-path:path("M30,50 H210 V90 H30 V130 H210 V170 H30 V210 H210");offset-rotate:0deg}
@keyframes fly{from{offset-distance:0%}to{offset-distance:100%}}
.flow rect,.flow path.box{fill:rgba(13,38,48,.9);stroke:var(--teal);stroke-width:1.2}
.flow text{font-family:var(--mono);font-size:9px;fill:var(--text);text-anchor:middle}
.flow .ar{fill:none;stroke:var(--mint);stroke-width:1.2;stroke-dasharray:3 4;animation:dash 10s linear infinite}
.term{position:absolute;left:14px;right:12px;top:40px;font-family:var(--mono);font-size:.64rem;line-height:1.75;color:var(--muted);z-index:2}
.term .p{color:var(--mint)}.term .ok{color:var(--cyan)}
.cursor{display:inline-block;width:6px;height:11px;background:var(--mint);vertical-align:-2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.env .area{fill:rgba(94,224,138,.14);stroke:none}
.env .ln{fill:none;stroke:var(--mint);stroke-width:1.5}
.env .pt{fill:var(--bg);stroke:var(--mint);stroke-width:1.3}
.env .leaf{fill:none;stroke:rgba(94,224,138,.55);stroke-width:1.3}
@media (prefers-reduced-motion:reduce){.flight,.drone,.flow .ar,.cursor{animation:none}}

/* stats */
.stats{padding:0 0 30px}
.stat-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);background:rgba(13,38,48,.6)}
.stat{padding:26px 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat .n{font-size:2.1rem;font-weight:600;color:var(--mint);letter-spacing:-.02em}
.stat .l{color:var(--muted);font-size:.9rem;line-height:1.4}

/* services */
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{position:relative;background:linear-gradient(180deg,var(--panel),rgba(13,38,48,.55));border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:border-color .2s,transform .2s}
.card:hover{border-color:var(--line-2);transform:translateY(-2px)}
.card.feature{grid-column:1/-1;display:grid;grid-template-columns:1.2fr .8fr;gap:34px;align-items:center;background:linear-gradient(135deg,#0f3340,#0b222b 70%)}
.ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:rgba(94,224,138,.1);border:1px solid rgba(94,224,138,.25);color:var(--mint);margin-bottom:18px}
.ico svg{width:24px;height:24px}
.card h3{font-size:1.32rem;margin-bottom:10px}
.card p{color:var(--muted)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{font-family:var(--mono);font-size:.74rem;padding:5px 10px;border-radius:999px;border:1px solid var(--line-2);color:var(--muted)}
.checks{list-style:none;margin-top:16px;display:grid;gap:8px}
.checks li{color:var(--muted);padding-left:24px;position:relative}
.checks li::before{content:"";position:absolute;left:2px;top:.62em;width:10px;height:10px;border:1.5px solid var(--mint);border-radius:2px;transform:rotate(45deg)}
.badge-box{background:rgba(6,20,26,.6);border:1px solid var(--line);border-radius:12px;padding:22px;text-align:center}
.badge-box p{font-size:.86rem;margin-top:12px}
.badge-box img{margin:0 auto;width:280px;max-width:100%}

/* approach */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.step{padding:26px 22px 0 0}
.step .k{font-family:var(--mono);color:var(--teal);font-size:.8rem}
.step h4{font-size:1.12rem;margin:8px 0 6px;font-weight:600}
.step p{color:var(--muted);font-size:.94rem}

/* timeline */
.alt{background:linear-gradient(180deg,var(--bg),var(--bg-2) 30%,var(--bg-2) 70%,var(--bg))}
.timeline{position:relative;margin-left:8px}
.timeline::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:linear-gradient(var(--mint),var(--teal),rgba(46,196,182,.15))}
.tl-item{position:relative;padding:0 0 38px 40px;display:grid;grid-template-columns:170px 1fr;gap:24px}
.tl-item::before{content:"";position:absolute;left:-6px;top:6px;width:13px;height:13px;border-radius:50%;background:var(--bg);border:2px solid var(--mint)}
.tl-item .when{font-family:var(--mono);font-size:.82rem;color:var(--teal);padding-top:2px}
.tl-item h3{font-size:1.18rem;margin-bottom:2px}
.tl-item .org{color:var(--text);opacity:.8;font-size:.95rem;margin-bottom:8px}
.tl-item p{color:var(--muted);font-size:.96rem}
.tl-item .tags{margin-top:12px}

/* teaching */
.teach{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.teach-list{display:grid;gap:14px}
.teach-list .card{padding:22px 24px}
.teach-list .when{font-family:var(--mono);font-size:.78rem;color:var(--teal)}
.teach-list h3{font-size:1.1rem;margin:4px 0 6px}
.teach-list p{font-size:.94rem}

/* education + skills */
.edu-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-bottom:64px}
.edu .when{font-family:var(--mono);font-size:.78rem;color:var(--teal)}
.edu h3{font-size:1.14rem;margin:6px 0 4px}
.edu .org{color:var(--text);opacity:.8;font-size:.94rem;margin-bottom:8px}
.cert{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:.72rem;color:var(--amber);border:1px solid rgba(255,198,107,.35);border-radius:999px;padding:4px 10px;margin-top:12px}
.skills{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.skill h4{font-family:var(--mono);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--mint);margin-bottom:12px;font-weight:500}
.skill ul{list-style:none;display:grid;gap:6px}
.skill li{color:var(--muted);font-size:.94rem;border-bottom:1px dashed var(--line);padding-bottom:6px}

/* contact */
.contact-box{position:relative;z-index:1;border:1px solid var(--line-2);border-radius:22px;padding:56px;background:linear-gradient(135deg,rgba(17,48,59,.95),rgba(8,26,33,.95));display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;overflow:hidden}
.contact-box h2{margin-top:10px}
.channels{display:grid;gap:14px}
.channel{display:flex;align-items:center;gap:16px;padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:rgba(6,20,26,.5);transition:border-color .2s,background .2s}
.channel:hover{border-color:var(--teal);background:rgba(46,196,182,.07)}
.channel .ico{margin:0;flex:none}
.channel b{display:block;font-weight:600}
.channel span{color:var(--muted);font-size:.9rem;word-break:break-all}

footer{border-top:1px solid var(--line);padding:34px 0 40px;color:var(--dim);font-size:.86rem}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
footer .links{display:flex;gap:20px}
footer a:hover{color:var(--text)}

.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* responsive */
@media (max-width:980px){
  .hero .wrap,.card.feature,.teach,.contact-box{grid-template-columns:1fr}
  .mosaic{max-width:480px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .skills{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  section{padding:76px 0}
  .menu{display:none;position:absolute;top:76px;left:0;right:0;flex-direction:column;gap:0;background:rgba(6,20,26,.97);border-bottom:1px solid var(--line);padding:8px 16px 18px;align-items:stretch}
  .menu.open{display:flex}
  .menu a{padding:12px 4px;border-bottom:1px solid var(--line)}
  .menu .btn{justify-content:center;margin-top:12px;border-bottom:0}
  .burger{display:grid;place-items:center}
  .hero{padding:120px 0 60px}
  .svc-grid,.edu-grid{grid-template-columns:1fr}
  .tl-item{grid-template-columns:1fr;gap:4px;padding-left:30px}
  .steps{grid-template-columns:1fr}
  .skills{grid-template-columns:1fr}
  .contact-box{padding:30px 22px}
  .term{font-size:.5rem;top:26px;left:10px;line-height:1.55}
  .panel .lbl{font-size:.48rem;left:9px;top:8px}
  .panel .lbl.b{bottom:7px}
  .mosaic{gap:10px}
  .card{padding:24px}
}

.xp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.xp-grid .k{font-family:var(--mono);color:var(--teal);font-size:.8rem;margin-bottom:10px}
.xp-grid h3{font-size:1.16rem}
.xp-grid p{font-size:.95rem}
.creds{margin-top:56px;border:1px solid var(--line-2);border-radius:var(--radius);padding:30px;background:rgba(6,20,26,.55)}
.creds ul{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:18px}
.creds li{border-left:2px solid var(--mint);padding-left:14px}
.creds li b{display:block;font-weight:600;line-height:1.3}
.creds li span{color:var(--muted);font-size:.88rem}
.creds-note{margin-top:22px;color:var(--muted);font-size:.9rem}
.creds-note a{color:var(--mint);border-bottom:1px solid rgba(94,224,138,.4)}
@media (max-width:980px){.xp-grid{grid-template-columns:repeat(2,1fr)}.creds ul{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.xp-grid,.creds ul{grid-template-columns:1fr}.creds{padding:22px}}